87878511

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2348

約数の個数: 36

約数和(自身を含む): 149385600

約数和(自身を除く): 61507089

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 2239, 4361, 5607, 6717, 13083, 15673, 20151, 39249, 47019, 109711, 141057, 199271, 329133, 597813, 987399, 1394897, 1793439, 4184691, 9764279, 12554073, 29292837, 87878511]

約数ペア:

[(1, 87878511), (3, 29292837), (7, 12554073), (9, 9764279), (21, 4184691), (49, 1793439), (63, 1394897), (89, 987399), (147, 597813), (267, 329133), (441, 199271), (623, 141057), (801, 109711), (1869, 47019), (2239, 39249), (4361, 20151), (5607, 15673), (6717, 13083)]